136976256 has 48 divisors (see below), whose sum is σ = 394166760. Its totient is φ = 45658368.

The previous prime is 136976249. The next prime is 136976261. The reversal of 136976256 is 652679631.

136976256 is a `hidden beast` number, since 13 + 6 + 9 + 7 + 625 + 6 = 666.

It is a tau number, because it is divible by the number of its divisors (48).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 58300 + ... + 60603.

Almost surely, 2^136976256 is an apocalyptic number.

136976256 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

136976256 is an abundant number, since it is smaller than the sum of its proper divisors (257190504).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

136976256 is a wasteful number, since it uses less digits than its factorization.

136976256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118923 (or 118908 counting only the distinct ones).

The product of its digits is 408240, while the sum is 45.

The square root of 136976256 is about 11703.6855733568. The cubic root of 136976256 is about 515.4838899372.

The spelling of 136976256 in words is "one hundred thirty-six million, nine hundred seventy-six thousand, two hundred fifty-six".